felder-group.dk DNS records

🖥️ Nameservers2 records 62ms

Nameserver	IP addresses	PTR	ASN / ISP
rocco.ns.cloudflare.com	108.162.195.121 162.159.44.121 172.64.35.121 2606:4700:58::a29f:2c79 2803:f800:50::6ca2:c379 2a06:98c1:50::ac40:2379	rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com rocco.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sandra.ns.cloudflare.com	108.162.194.34 162.159.38.34 172.64.34.34 2606:4700:50::a29f:2622 2803:f800:50::6ca2:c222 2a06:98c1:50::ac40:2222	sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com sandra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.88	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.254	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx3.felder-group.com	80.92.126.18	mx3.felder-group.com	AS34347 HALLAG Kommunal GmbH
10	300s	mx4.felder-group.com	80.92.126.19	mx4.felder-group.com	AS34347 HALLAG Kommunal GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.161.254
🔶 Autoconfig	104.21.15.88

🔷 AAAA Records (IPv6)2 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:f58	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a1fe	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 51ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.88,172.67.161.254 ech=AEX+DQBBvAAgACAjBvVHkFpqArpRl920aDwCdfppSK52abJazKltW9VlRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:f58,2606:4700:3035::ac43:a1fe

📝 TXT Records1 records 223ms

TXT Record
v=spf1 a mx ip4:80.92.126.240/32 ip4:80.92.126.241/32 ip4:80.92.126.21/32 ip4:80.92.126.18/32 ip4:80.92.126.19/32 ip4:80.92.117.58/32 ~all

✉️ SPF

Policy	Record (felder-group.dk)
~all (soft fail)	v=spf1 a mx ip4:80.92.126.240/32 ip4:80.92.126.241/32 ip4:80.92.126.21/32 ip4:80.92.126.18/32 ip4:80.92.126.19/32 ip4:80.92.117.58/32 ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.felder-group.dk	lekW63KKgM5FcKFoBaBRPTie8mqkweMEwX2ORYhy174
TXT	_acme-challenge.felder-group.dk	zQRJPwiNI2haBtJSEFMrQSu8xvEP3-KERicVcDiLp8g

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC91ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2413314636
Primary NS (MNAME)	rocco.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

62ms

A

51ms

MX

45ms

AAAA

52ms

TXT

223ms

CAA

51ms

HTTPS

51ms

TLSA

114ms

SOA

0ms

MTA-STS

92ms

DNSSEC

91ms

SRV

717ms

Total

1507ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:35:32	1507ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-27 01:34:44	1277ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-19 22:36:35	6222ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-14 06:53:21	1378ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-26 03:24:36	1088ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 14:51:17	1186ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 09:49:02	1243ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 09:39:45	952ms	2 NS 2 A 2 MX	🔓 Insecure	View